Scan a QR code with your webcam Sometimes you have a QR code on a sheet of paper but your phone isn’t handy. Your laptop has a camera, though, and you can use it instead.

You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: just open the camera app, point your phone at the code, and tap ...

Despite the dwindling popularity of QR codes -- except for app-specific QR codes, like Snapchat's Snapcodes -- Chrome for iOS now makes it extra-easy to scan a QR code, should you ever spot one.

QR codes aren't going away anytime soon. Here's how to make your own.

With contactless interactions more common than ever, there is more of a need to read a QR code than ever. Here's how to read QR codes using your iPhone, iPad, or iPod touch.